The 1931 Denver Pioneers football team was an American football team that represented the University of Denver as a member of the Rocky Mountain Conference (RMC) during the 1931 college football season. In its third and final season under head coach Jeff Cravath, the team compiled an overall record of 4–6 with a mark of 3–5 against conference opponents, finished eighth in the RMC, and was outscored by a total of 143 to 104.